SAM7X512 Atmel Corporation, SAM7X512 Datasheet - Page 354
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SAM7X512
Manufacturer Part Number
SAM7X512
Description
Manufacturer
Atmel Corporation
Specifications of SAM7X512
Flash (kbytes)
512 Kbytes
Pin Count
100
Max. Operating Frequency
55 MHz
Cpu
ARM7TDMI
Hardware Qtouch Acquisition
No
Max I/o Pins
62
Ext Interrupts
62
Usb Transceiver
1
Usb Speed
Full Speed
Usb Interface
Device
Spi
2
Twi (i2c)
1
Uart
3
Can
1
Ssc
1
Ethernet
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
384
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
128
Self Program Memory
NO
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
3.3
Operating Voltage (vcc)
3.0 to 3.6
Fpu
No
Mpu / Mmu
no / no
Timers
3
Output Compare Channels
3
Input Capture Channels
3
Pwm Channels
4
32khz Rtc
Yes
Calibrated Rc Oscillator
No
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Figure 31-3. SSC Functional Block Diagram
31.6.1
354
SAM7X512/256/128
Clock Management
APB
MCK
PDC
Interface
Divider
Clock
User
The transmitter clock can be generated by:
The receiver clock can be generated by:
Furthermore, the transmitter block can generate an external clock on the TK I/O pad, and the
receiver block can generate an external clock on the RK I/O pad.
This allows the SSC to support many Master and Slave Mode data transfers.
• an external clock received on the TK I/O pad
• the receiver clock
• the internal clock divider
• an external clock received on the RK I/O pad
• the transmitter clock
• the internal clock divider
Interrupt Control
AIC
TF
RF
TX Clock
RF
TF
TK Input
RK Input
RX clock
Selector
Selector
Start
Start
TX PDC
RX PDC
Load Shift
Load Shift
Transmitter
Transmit Clock
Receive Clock
Controller
Controller
Receiver
Transmit Holding
Receive Holding
Register
Register
Transmit Shift Register
Receive Shift Register
RX Clock
TX clock
Holding Register
Holding Register
Transmit Sync
Receive Sync
Clock Output
Clock Output
Frame Sync
Frame Sync
Controller
Controller
Controller
Controller
6120I–ATARM–06-Apr-11
TK
RD
TD
RK
RF
TF
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